set autoscale
unset log 
set title "Encode ( w = 8 )"
set xtic auto
set ytic auto
set key left top
set xlabel "K"
set ylabel "Time (sec)"
set terminal png
set output 'encodew8.png'
plot "encodew8.dat" using 2:4 title 'Jerasure2 Matrix' w points , \
     "encodew8.dat" using 2:5 title 'Jerasure2 Bitmatrix' w points , \
	 "encodew8.dat" using 2:6 title 'Jerasure3 Matrix' w points , \
	 "encodew8.dat" using 2:7 title 'Jerasure3 Bitmatrix' w points
